Home Riparian Zones (streamside buffers) Importance Establishing a buffer, with its mix of grasses, forbs/wildflowers, shrubs and trees, allows for a variety of benefits to the surrounding ecosystem: Filters pollutants out of storm runoff before it reaches the creek Limits erosion, protects creek banks and keeps sediment out of the creek Provides shade and maintains moderate water temperatures Provides habitat for a diverse group of animals, both on land and in the water